Has the check engine light come on foryou yet. It may start coming in soon if it hasn't yet. I recently had the same problem and the code said that basically the engine was running lean. My problem happened to be the intake air hose that is between the intake filter box and the Mass Air Flow Sensor. It had basically dry rotted and developed good size cracks. I would inspect the hose for cracks and replace if necessary. I wasnt able to get an after market hose but the one from Hyundai only runs $40. Its an easy replacement also.
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Tuesday, December 21st, 2010 AT 10:55 PM